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參數(shù)資料
| 型號(hào)： | TFS675 |
| 廠(chǎng)商： | VECTRON INTERNATIONAL |
| 元件分類(lèi)： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 675 MHz, SAW FILTER |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 152K |
| 代理商： | TFS675 |
Filename: tfs 675.doc
Version 1.3
29.07.2004
VI TELEFILTER
Filter specification
TFS 675
1/5
Tele Filter GmbH
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail: tft@telefilter.com
VI TELEFILTER reserves the right to make changes to the product(s) and/or information contained herein without notice. No liability is
assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information.
Measurement condition
Ambient temperature:
23
°C
Input power level:
0
dBm
Terminating impedance:
Input:
50
Output:
50
Characteristics
Remark:
The maximum attenuation in the pass band is defined as the insertion loss ae. The nominal frequency fN is fixed at 675 MHz without any tolerance or limit.
The values of absolute attenuation aabs are guaranteed for the whole operating temperature range. The frequency shift of the filter in the operating
temperature range is included in the production tolerance scheme.
D a t a
typ. value
tolerance / limit
Insertion loss
ae
2
dB
max.
3
dB
Nominal frequency
fN
-
675
MHz
Passband
Pass band ripple
0,7
dB
fN ±
15
MHz
max.
1
dB
Bandwidth
BW
3
dB
min.
40
MHz
Absolute attenuation
aabs
1
MHz ...
575
MHz
60
dB
min.
30
dB
775
MHz ...
1350 MHz
48
dB
min.
30
dB
1350
MHz ...
1500 MHz
54
dB
min.
50
dB
Group delay ripple within PB
7
ns
max.
10
ns
Input power level
max.
10
dBm
VSWR within PB
1,4:1
max.
1,6:1
Operating temperature range
OTR
-
- 40 °C ... + 85°C
Storage temperature range
-
- 40 °C ... + 85°C
Temperature coefficient of frequency
TCf *
-72
ppm/K
-
*)
f(Hz) = TCf(ppm/K) x (T-T0) x fTo(MHz).
Generated:
Checked / Approved:
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